Figured_bass_engraver::create_grobs ()
{
Grob *muscol
- = dynamic_cast<Item *> (Grob::unsmob (get_property ("currentMusicalColumn")));
+ = Item::unsmob (get_property ("currentMusicalColumn"));
if (!alignment_)
{
alignment_ = make_spanner ("BassFigureAlignment", SCM_EOL);